1. Each share of Class A Common Stock issued upon conversion of one share of Class B Common Stock at the election of the reporting person.

2. Shares of Class B Common Stock are convertible at any time at the option of the holder into shares of Class A Common Stock on a 1-for-1 basis.

3. Reflects shares of Class B Common Stock (as converted or convertible into, as applicable, a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Ray Dolby Trust"), voting power of which is shared by the Trustee and David E. Dolby, son of Dagmar Dolby, as Special Trustee of the Ray Dolby Trust. This report is filed jointly by Dagmar Dolby and the Ray Dolby Trust with respect to securities held and transactions effected by the Ray Dolby Trust. The reporting persons disclaim beneficial ownership of these securities except to the extent of their pecuniary interest therein.

4. Reflects shares of Class B Common Stock (as converted or convertible into, as applicable, a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2002 Trust A, dated April 19, 2002 (the "Ray Dolby 2002 Trust A"), voting power of which is held by Thomas E. Dolby, son of Dagmar Dolby, as Special Trustee of the Ray Dolby 2002 Trust A. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Ray Dolby 2002 Trust A. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

5. Reflects shares of Class B Common Stock (as converted or convertible into, as applicable, a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2002 Trust B, dated April 19, 2002 (the "Ray Dolby 2002 Trust B"), voting power of which is held by David E. Dolby as Special Trustee of the Ray Dolby 2002 Trust B. This report is filed by Dagmar Dolby with respect to the securities held and transactions effected by the Ray Dolby 2002 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

6. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dolby Holdings II LLC, a limited liability company (the "Family LLC"), investment power of which is held by Dagmar Dolby, manager of the Family LLC, and voting power of which is held by (i) Thomas E. Dolby, a special manager of the Family LLC, with respect to 50% of such shares, and (ii) David E. Dolby, a special manager of the Family LLC, with respect to 50% of such shares. This report is filed by Dagmar Dolby with respect to the securities held by the Family LLC. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

7. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Marital Trust under the Dolby Family Trust instrument, dated May 7, 1999 (the "Marital Trust"), voting power of which is shared by the Trustee and David E. Dolby as Special Trustee of the Marital Trust. This report is filed by Dagmar Dolby with respect to the securities held by the Marital Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

8. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2014 Trust AA, dated March 5, 2014 (the "Dagmar Dolby 2014 Trust AA"), voting power of which is held by Thomas E. Dolby as Special Trustee of the Dagmar Dolby 2014 Trust AA. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2014 Trust AA. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

9. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Dagmar Dolby 2014 Trust BB, dated March 5, 2014 (the "Dagmar Dolby 2014 Trust BB"), voting power of which is held by David E. Dolby as Special Trustee of the Dagmar Dolby 2014 Trust BB. This report is filed by Dagmar Dolby with respect to the securities held by the Dagmar Dolby 2014 Trust BB. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

10. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2011 Trust A, dated December 14, 2011 (the "Ray Dolby 2011 Trust A"), voting power of which is held by Thomas E. Dolby as Special Trustee of the Ray Dolby 2011 Trust A. This report is filed by Dagmar Dolby with respect to the securities held by the Ray Dolby 2011 Trust A. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

11. Reflects shares of Class B Common Stock (convertible into a like number of shares of Class A Common Stock) held of record by Dagmar Dolby as the Trustee of the Ray Dolby 2011 Trust B, dated December 14, 2011 (the "Ray Dolby 2011 Trust B"), voting power of which is held by David E. Dolby as Special Trustee of the Ray Dolby 2011 Trust B. This report is filed by Dagmar Dolby with respect to the securities held by the Ray Dolby 2011 Trust B. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

12. This transaction was executed in multiple trades at prices ranging from $46.65 to $47. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

13. This transaction was executed in multiple trades at prices ranging from $46.65 to $47. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

14. This transaction was executed in multiple trades at prices ranging from $46.65 to $47. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

15. This transaction was executed in multiple trades at prices ranging from $46.53 to $46.8014. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

16. This transaction was executed in multiple trades at prices ranging from $46.53 to $46.79. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

17. This transaction was executed in multiple trades at prices ranging from $46.5275 to $46.79. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transactions were effected.

18. Reflects shares of Class A Common Stock held of record by Dagmar Dolby as Trustee of the Dolby Family Administrative Trust established under the Dolby Family Trust instrument, dated May 7, 1999 (the "Dolby Administrative Trust"), voting and dispositive power of which is held by Dagmar Dolby. This report is filed by Dagmar Dolby with respect to the securities held by the Dolby Administrative Trust. The reporting person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein.

Remarks:

**All of the sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.**

/s/ Daniel Rodriguez, Attorney-in-Fact for Dagmar Dolby

08/28/2014

/s/ Daniel Rodriguez, Attorney-in-Fact for the Ray Dolby Trust under the Dolby Family Trust instrument, dated May 7, 1999

08/28/2014

** Signature of Reporting Person

Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person,
see
Instruction
4
(b)(v).